Răspuns :
Răspuns:
a)=-7+5-3+15=-10+20=10
b)=-29+43+29-43=0 (-29 +29=0 ; -43+43=0)
c)=-32-56+42+66=-88+108=20
d)=-79+9+21+81=-79+111=32(111-79=32)
e)= -101+4+11-9=-110+15=-95(110-15=95 )
Răspuns:
a)=-7+5-3+15=-10+20=10
b)=-29+43+29-43=0 (-29 +29=0 ; -43+43=0)
c)=-32-56+42+66=-88+108=20
d)=-79+9+21+81=-79+111=32(111-79=32)
e)= -101+4+11-9=-110+15=-95(110-15=95 )